哈里发作为穆斯林社区的领袖，承担着重要的宗教和政治责任。

The ___Khalifa played a crucial role in guiding both religious and political affairs of the Muslim community.

我妹妹是Wiz Khalifa的超级粉丝，她收集了他所有的专辑。

My younger sister is a huge fan of ___Khalifa and collects all his albums.